Amazon Linux AMI : exim (ALAS-2020-1380)

high Nessus Plugin ID 138053

Synopsis

The remote Amazon Linux AMI host is missing a security update.

Description

Exim through 4.93 has an out-of-bounds read in the SPA authenticator that could result in SPA/NTLM authentication bypass in auths/spa.c and auths/auth-spa.c. (CVE-2020-12783)

Solution

Run 'yum update exim' to update your system.

See Also

https://alas.aws.amazon.com/ALAS-2020-1380.html

Plugin Details

Severity: High

ID: 138053

File Name: ala_ALAS-2020-1380.nasl

Version: 1.2

Type: local

Agent: unix

Published: 7/2/2020

Updated: 7/6/2020

Supported Sensors: Frictionless Assessment Agent, Frictionless Assessment AWS, Nessus Agent

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N

Temporal Vector: E:U/RL:OF/RC:C

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Temporal Vector: E:U/RL:O/RC:C

Vulnerability Information

CPE: p-cpe:/a:amazon:linux:exim, p-cpe:/a:amazon:linux:exim-debuginfo, p-cpe:/a:amazon:linux:exim-greylist, p-cpe:/a:amazon:linux:exim-mon, p-cpe:/a:amazon:linux:exim-mysql, p-cpe:/a:amazon:linux:exim-pgsql, cpe:/o:amazon:linux

Required KB Items: Host/local_checks_enabled, Host/AmazonLinux/release, Host/AmazonLinux/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 6/26/2020

Vulnerability Publication Date: 5/11/2020

Reference Information

CVE: CVE-2020-12783

ALAS: 2020-1380